Question

The total profit(in $) from the sale of x flatscreen television sets is P(x) = 20x...

The total profit(in $) from the sale of x flatscreen television sets is P(x) = 20x - 0.02x(square) -320

a) Find the average profit per television if 40 sets are sold.

b) Find the Marginal Profit function.

c) Find the estimated profits from selling the 41st set.

d) Find the exact profits from selling the 41st set.

Math   Calculus   
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